495240497 has 2 divisors, whose sum is σ = 495240498. Its totient is φ = 495240496.

The previous prime is 495240479. The next prime is 495240521. The reversal of 495240497 is 794042594.

Together with previous prime (495240479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469848976 + 25391521 = 21676^2 + 5039^2 .

It is a cyclic number.

It is not a de Polignac number, because 495240497 - 2⁶ = 495240433 is a prime.

It is not a weakly prime, because it can be changed into another prime (495140497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247620248 + 247620249.

It is an arithmetic number, because the mean of its divisors is an integer number (247620249).

Almost surely, 2^495240497 is an apocalyptic number.

It is an amenable number.

495240497 is a deficient number, since it is larger than the sum of its proper divisors (1).

495240497 is an equidigital number, since it uses as much as digits as its factorization.

495240497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 495240497 is about 22253.9995731104. Note that the first 3 decimals coincide. The cubic root of 495240497 is about 791.1740791683.

The spelling of 495240497 in words is "four hundred ninety-five million, two hundred forty thousand, four hundred ninety-seven".